I’m interested but already have an activity that evening. Will there be some 
posted summary?

> On Feb 25, 2015, at 10:33 AM, Aaron Falk <[email protected]> wrote:
> 
> There has been long term and increasing interest in deploying transport 
> protocols with alternate dynamics and behaviors to TCP and UDP. The IETF has 
> standardized several new protocols including DCCP, UDP-lite, SCTP and several 
> changes to TCP including ECN and LEDBAT. All of these new technologies have 
> resulted in deployment challenges blamed on intentional and unintentional 
> interference by middleboxes such as NATs and firewalls. This has lead to 
> approaches such as building new protocols over UDP or HTTP to make traffic 
> look like something a middlebox would expect. However, both these approaches 
> have shortcomings and a variety of ameliorating engineering approaches are 
> being considered [1], [2], [3].
> 
> What is missing is a study with more than anecdotal evidence of the nature of 
> the problem and the portions of the network in which it manifests. One of the 
> best analyses to date is [4] which measures from a very small number of 
> locations: 49 residential, 17 enterprise, and 142 locations in total. In the 
> interest of getting ground-truth data about the nature of the problem, we are 
> organizing an informal effort starting with a meeting (BarBoF) at the March 
> IETF in Dallas to coordinate with network stack, browser, and middlebox 
> vendors, as well as network and service operators, on collecting and 
> reporting statistics about middlebox impact on transport sessions. The 
> objective is to determine a set of measurements that can be made as a side 
> effect of the normal operation of the networking stack, and a reporting 
> format that provides some visibility into the scope and nature of middlebox 
> impact while addressing end-user privacy and business confidentiality 
> concerns.
> 
> The BarBoF meeting will be Sunday evening (March 22nd).  Time & location to 
> be announced on the mailing list [5].
> 
> This activity is an outcome of the recent IAB workshop on Stack Evolution in 
> a Middlebox Internet [6].
> 
> Please forward to anyone interested in participating.
> 
> --------
> 
> [1] IETF Transport Services Working Group (TAPS)
> 
> [2] IAB Stack Evolution Program
> 
> [3] Session Protocol for User Datagrams (SPUD) Prototype
> 
> [4] M. Honda, Y. Nishida, C. Raiciu, A. Greenhalgh, M. Handley, and H. 
> Tokuda. Is it still possible to extend tcp? In Proc. ACM IMC, 2011.
> 
> [5] Subscription link to HOPS mailing list.
> 
> [6] IAB SEMI Workshop
> 
> 
> _______________________________________________
> Taps mailing list
> [email protected]
> https://www.ietf.org/mailman/listinfo/taps

Attachment: signature.asc
Description: Message signed with OpenPGP using GPGMail

_______________________________________________
Taps mailing list
[email protected]
https://www.ietf.org/mailman/listinfo/taps

Reply via email to